Dust-collector.



0. M. MORSE.

DUST COLLECTOR.

APPLIGATION FILED MAY 16, 1904.

926 206. Patented June 29, 1909.

2 SHEETS-SHEET 1.

0. M. MORSE. DUST COLLECTOR.

APPLIUATION FILED MAY 16, 1904.

Patented June 29, 1909.

2 SHEETS-SHEET 2.

0m 111 0 J6 M OT'mS e,

1 I 0 l I u a l I n To all whom it may concern:

ORVILLE M. MORSE, OF JAOKSON, MI QHIGAN.

DUST-COLLECTOR.

Specification of Letters Patent.

Patented June 29,- 19o9.-

Application filed May 16, 1904. Serial No. 208,067.

-Be it known that'I, ORVILLE M. Monsn, of Jaickson, in the county of Jackson and State of Michigan, have invented certain new and useful Improvements in Dust-Collectors; and

. I hereby declare that the following is a full, clear, and exact description thereof, reference had to the accompanying drawings,

beingI whic form part of this specification.

My invention relates: to improvements in dust collectors, and more particularly to the type of machines known ,as centrifugal or vortex dust collectors.

The primary object of my invention is to provide in a collector of the typespecified a means for regulating the pitch of the angle of longitudinal progression of the whirling ma- 7 terial within the casing.

taken on'line 1-1 of Fig. 2.

To 'this end it consists in providing-in a dust collector a deflecting agency in substantially the plane of the air inlet adapted to defiect portions of the air in transit toward the dust outlet of the machine, said deflector being adjustable to vary the ratio of the air which it deflects to the quantity of air at the l time entering the casing.

' Inthe drawings wherein I have illustrated two operative embodiments of my invention;

Figure 1. is asection of one form of collector Fig. .2 is a central verticalsection on line 2--2 of Fig. 1 with parts broken away. Fig. 3 is a transverse sectionon line 3-3 of Fig. 4, showing a modified form-of collector.

Fig. 4 is a section on line of Fig. Swith parts broken away, and Fig-b is a section taken on line 5-5 of Fig. 3.

Throughout the drawings like numerals of reference refer always to like parts! Referring now to the embodiment of my invention illustrated in Figs. 1 and 2, 10 indicates generally a dust collector casing of any well known form, that herein illustratively shown comprising an upper cylindrical portion 10, a conical lower portion 10 terminating in an axial outlet spout 10, a deck 10 covering the' cylindrical portion 10 and 1 having an. axial'aii; outlet 10*.

, 11 indicates the tubular guard conforming with the outlet 10 and extending downward into the casing.

12 indicates a tangential peripheral inlet spout for the dust laden air, having its Wall nearest the axis of the casing extended as at 12 into the area inclosed by the casing.

Arranged in the plane of the air inlet spout 12 is a deflecting agency adapted to deflect portions of the dust laden air downward, and adjustable to vary the ratio of the deflected and undeflected portions of the air.

In the specific structure 13 indicates a shield having its body lying parallel to and at a suitable distance radially inward from the extension 12 of the inlet spout and preferably provided at its rear end (with reference to the direction of rotation of the air) with a curved portion 13 extending into approximate parallelism with the casing wall 10*.

14 indicates a deflecting agency comprising to various angles relative to a horizontalplane.

through the inlet 12. Any suitable means may be provided for adjusting and positioning the plate 14 such devices being herein shown as a rod 16 connected at its lower end to the deflector plate and extending upward through a boss 17 on the deck 10 of the collector, said boss being provided witha,

set screw 18 for positioning the rod 17.

In the operation of the machine, dust laden air blown through the tangential inlet 12 is directed in a circular path by the casing wall and sets u v a whirl or vortex in the casing. Normal y the material thus intro.- duced tends to travel downward to a certain extent in the casing in a spiral path of relatively small pitch, until a oint is reached where the ressure created byithe-incoming air therealiove overcomes the centrifugal effect of the whirl and forces the air inward into the central zone in alinement with the tubular guard, whence the air flows upward and escapes. The dust particles forced by centrifugal effect to the casing wall, are not carried up by the air but continue in their travel to the dust outlet 10.

I have found that in its first circuit of the casing the air travels in substantially a plane of the inlet and, therefore, in the machine heretofore described, at the end of its first circuit the cepted by t e shield 13 and the extension 12. The dust particles, driven to the periphery of the casing by centrifugal effect 'find their ath of travel of said air is inter- 30 toward the lower end of the casing and inway through the s ace between the curved end 13 of the shie d 13 and the casing wall, and are deflected by the extension 12 of the tangential inlet into a course parallel with that of the incoming. air, so that it does not cut oflthe inlet spout and produce back I pressure upon the air impelling devices.

The shield 13- serves to prevent the, rebound ofthe dust particles which contact with the extension 12 from bein carried into the axial path of air efllux. t will be apparent that by ositioning the deflector p ate 14 at an ang e relative to the normal path of the air, by vertical adjustment of the rod 17, a portion of the dust laden air coming within the passage provided by the shield 13 and the. extension 12 of the'dust;

' 'inlet,:will be deflected downward, while the remaining portion of the air will be er mitted to pass on its normal course. .he ratio of the quantity of air thus allowed to take its normal .course to the quantity of airdeflected downward will obviously be varied by the elevation or de ression of the rear end of late 14, and the consequent variation of t e area of resentation of the plate to the moving air ody. It will further be apparent that the positive deflection ofthe air in a direction longitudinally of the casing tends to force the air therebeneath creases the pitch of the s iral path of descent both of the air and the ust. I find that by this means I can regulate the s eed with which the dust will travel to the net outlet from the u per end of the casing, and that I can there y also regulate the delivery of the air to the dust outlet 10.

In Figs. 3 and 5 I have illustrated another the opposite end of which is secured to the t stationary member 14!, preferably uprig slightly inclined from a vertical plane, and

cutting off the lower portion of the front end of the inlet. An adjustable rod 16 and aset screw 18 are provided for permitting the adjustment of the plate 14, as in the construction beforedescribed.

- It will be apparent that the operation of this device is generally the same as thatheretofore described save that the angle of downward projection of the air deflected by the deflecting agencg is constant, but it will be apparent that t e ratio of the quantity of air permitted to take its normal course and the quantity of air deflected downward be varied by adjustment of the plate-portion 14C of the deflecting agency, 14, and that consequently the course of travel of the air, which 1s the result of these conflicting forces,

will be changed by adjustment of the portion M of said deflecting agency.

While I have herein described in detail two operative embodiments of my invention, the same is herein done for the purpose of showing the facility with which changes may be made in the specific structure thereof without departing from the spirit and scope of my invention, and I do not desire to be understood as limiting the broad conception of my invention to the specific forms shown by way of illustration.

Having described my invention, what I claim and desire to secure by Letters Patent of the United States, is

1. In a centrifugal dust collector comprising a casing symmetrical with respect to a vertical axis to provide an inclosed area wherein the air may whirl, and provided with a tangential air inlet, an air discharge opening in its top, and a dust discharge opening in its bottom, a deflector arranged with respect to the inlet to direct air downward, and adjustable with respect to the top of the casing to permit more or less of the incoming air to pass thereover "in an undeflected path.

2. In a dust collector, the combination with a casing comprising, a substantially cylindrical head and a conical body, said casing having a tangential inlet for the dustladen air and a dust outlet at a point remote from said inlet, ofv a plate adjustable to change its angle of inclination arranged in the plane of the inlet to deflect portions of the dust-laden air toward the outlet, and

means for securing the plate in adjusted positions.

3. In a dust collector, the combination with a casing comprising a substantially cylindrical head and a conical body, of a tangential inlet leading into said head having its wall nearest the axis of the casing extended into the interior of the casing, and-a deflecting agency arranged in the plane of said inlet, adjustable to vary its vertical presentation to the moving air body, and

means for adjusting said plate, as described.

4. In a dust collector, the combinationwith a casing 10, comprising a head 10 and a body10 of a tangential inlet opening into v the head 10 provided with an extended side.

wall 12, a shield parallel to saidwall 12", and a deflecting agency pivoted between said walls. i

. 5. In a dust collector, the combination with a casing 10, comprising a head 10 and a body 10 of a tangential inlet 12, o enin into the head 10 rovided' with a si e we extension 1.2, pro ecting into the'casinga shield 13 parallehto the extension provided with a curveden'd 13 extending into submy own, I affix my signature in presence of stantially parallelism Withthe casing wall, two Witnesses. and a plate pivotally mounted between said ORVILLE M. MORSE.

5 extensions 12 and shield 13, and means eX- i WVitnesses: I tending to the 'exterior of the casing for ad- W. B. KNIOKERBOOKER, justing the inclination of said plate. FOREE BAIN.

In testimony that I claim the foregoing as 

